<table width="500"> 
 <colgroup style="background-color: yellow;"> <!--前两列为一组--> 
 <col /> <!--第一列--> 
 <col /> <!--第二列--> 
 <col style="background-color: blue;"/> <!--第三列--> 
 <caption>表格标题</caption> 
 <thead> 
 <tr> 
	<th>头 1</th> 
	<th>头 2</th> 
	<th>头 3</th> 
 </tr> 
 </thead> 
 <tbody> 
 <tr> 
	<td>111</td> 
	<td>111</td> 
	<td>111</td> 
 </tr> 
 <tr> 
	<td>222</td> 
	<td>222</td> 
	<td>222</td> 
 </tr> 
 
 </tbody> 
 <tfoot> 
 <tr> 
	<td>尾 1</td> 
	<td>尾 2</td> 
	<td>尾 3</td> 
 </tr> 
 </tfoot> 
</table> 